Bøger om Logic

Denne bog giver en introduktion til programmeringssproget Ladder Diagram (LD), der benyttes i Programmerbare Logiske Controllere (PLC). Bogen giver en generel introduktion til PLC styring og der er fokus på atlæsere uden en el-teknisk uddannelse kan lære Ladder programmering.De mange illustrationer og kodeeksempler i bogen tager udgangspunkt i praktiske problemstillinger inden for automation til industrien.INDHOLD- Baggrund, fordele og udfordringer ved Ladder-programmering- PLC hardware, sensorer og grundlæggende Ladder-programmering- Guide og tips til navngivning, opgaver, optimering og programstruktur- Teori og eksempler på rutediagram, blokdiagram og sekvensdiagram- Design guide til udvikling af funktioner og funktionsblokke- Programeksempler med opdeling i moduler, funktioner og funktionsblokke- Sekvensprogrammering med SELVHOLD, SET/RESET og MOVE/COMPARE- Større programeksempler med pumpestyring, tankstyring og transportbånd- Design, opbygning, test og simulering af PLC programBogen er primært udarbejdet til brug på den 2-årige videregående fuldtidsuddannelse Automationsteknolog og deltidsuddannelsen Automation og Drift, hvor en stor del af studiet indeholder PLC styring. Men bogen er naturligvis også velegnet på de mange uddannelser der indeholder PLC styring. Her tænkes på uddannelserne til elektriker, styrings- og reguleringselektriker, automatiktekniker samt de videregående uddannelser til maskinmester og ingeniør.Forfatteren har 25-års erfaring og underviser i PLC styring på videregående uddannelser hos Erhvervsakademi Dania i Randers.

This book gives an introduction to the programming language Structured Text (ST) which is used in Programmable Logic Controllers (PLC).The book can be used for all types of PLC brands including Siemens Structured Control Language (SCL) and Programmable Automation Controllers (PAC).This 3rd edition has been updated and expanded with many of the suggestions and questions that readers and students have come up with, including the desire for many more illustrations and program examples.CONTENTS:- Background, benefits and challenges of ST programming- Syntax, data types, best practice and basic ST programming- IF-THEN-ELSE, CASE, FOR, CTU, TON, STRUCT, ENUM, ARRAY, STRING- Guide for best practice naming, troubleshooting, test and program structure- Sequencer and code split-up into functions and function blocks- FIFO, RND, sorting, scaling, toggle, simulation signals and digital filter- Tank controls, conveyor belts, adaptive pump algorithm and robot control- PLC program structure for pumping stations, 3D car park and car wash - Examples: From Ladder Diagram to ST programmingThe book contains more than 150 PLC code examples with a focus on learning how to write robust, readable, and structured code.The book systematically describes basic programming, including advice and practical examples based on the author´s extensive industrial experience.The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years´ experience in specification, development, programming and supplying complex control solutions and supervision systems. The author is Assistant Professor and teaches PLC programming at Dania Academy, a higher education institution in Randers, Denmark.

Este libro proporciona una untroducciåon al Texto Estructurado (ST), usado en el control lógico programable (PLC). El libro puede ser usado para todos los tipos de marcas de PLC, incluido el Lenguaje de Control Estructurado de Siemens (SCL) y los Controladores de Automatización Programable (PAC). CONTENIDO - Antecedentes, ventajas y desafíos en la programación ST. - Sintaxis y programación fundamental de ST. - Guía generalizada para nombrar lazonablemente las variables. - CTU, TOF, TON, CASE, STRUCT, ENUM, ARRAY, STRING - Guía para dividir en módulos de programa y funciones. - Más de 90 ejemplos de código PLC. - FIFO, RND, 3D ARRAY y filtro digital. - Ejemplos: de programación de LADDER a ST. - Guía para resolver ejercicios de programación. Muchas explicaciones aclaratorias del código PLC y un enfoque en el hecho de que el lector debe aprender a escribir un código estable, robusto, legible, estructurado y claro, están incluidos en el libro. Además, el enfoque es que el lector podrá escribir un código PLC, el cual no requiere un tipo de PLC específico y un código de PLC, y se puede reutilizar. La base del libro es un material que actualmente está compilado con comentarios de profesores y estudiantes que asisten a la Educación AP en Ingeniería de Automatización en la Academia Dania local 'Erhvervsakademi Dania', en Randers, Dinamarca. Por lo tanto, el material se actualiza, para que responda a todas las prguntas que los alumnos suelen formular durante el período de estudio. El autor es licenciado en Ciencias en Ingeniería Eléctrica (B.Sc.E.E.) y tiene 25 años de experiencia en especificación, desarrollo, programación y suministro de soluciones complejas de control y supervisión de sistemas. El autor es profesor adjunto e imparte sistemas de control PLC en educación superior.

This book contains more than 100 exercises for learning how to program programmable logic controllers (PLCs). At the same time, the exercises provide knowledge of how equipment, machines and small plants can be automated.There are exercises at beginner level with logic, counters, and timers. Then there are exercises with ARRAY, STRUCT, STRING, as well as exercises with mathematics, functions, function blocks, program design, sorting, FIFO, and data collection. Some exercises include selecting sensors, sequence techniques, manual/automatic operation, and data communication to a robot, frequency converter, or vision camera.The exercises start with easy ones and get harder as you go along. You can begin with simple exercises and gradually move on to more challenging ones that require a range of methods and programming skills. The exercises are based on relevant, real-world automation problems.The exercises can be solved in all types of PLCs, regardless of brand, hardware, or model. There are enough exercises for at least 400 hours of homework!The book is designed for use in educational programs or training that include PLC programming, such as automation technician, electrician, automation engineer, or mechatronics engineer. Of course, the exercises can also be used for other educational programs that teach basic programming or automation.The author is an experienced engineer and senior lecturer with over 30 years of experience in software development. He has been teaching PLC programming at the Dania Academy in Denmark for more than seven years.The author has published several books and sold more than 10,000 copies.

Mismatched eyes of black and white and not a pupil to be found. Tara has always known she is different, but when she learns why that fact suddenly matters, and she is forced to leave her small village to prove to herself that she does not have to be the monster her world thinks she is.Trained since the age of three and chosen to be one of his country’s future leaders, Aegis knows how to turn things to his advantage, but when his master tells him to bring a mysterious girl to the capital, his world of rules starts to crumble, and he is forced to make a choice between logic and intuition.Shining darkness is inspired by a dream and is the product of what happens when a good dream is continued on paper together with a lot of ‘if – then’ reasoning.

This book is an introduction to the programming language Ladder Diagram (LD) used in Programmable Logic Controllers (PLC).The book provides a general introduction to PLC controls and can be used for any PLC brands.With a focus on enabling readers without an electrical education to learn Ladder programming, the book is suitable for learners without prior knowledge of Ladder.The book contains numerous illustrations and program examples, based on real-world, practical problems in the field of automation.CONTENTS- Background, benefits and challenges of Ladder programming- PLC hardware, sensors, and basic Ladder programming- Practical guides and tips to achieve good program structures- Theory and examples of flowcharts, block diagrams and sequence diagrams- Design guide to develop functions and function blocks- Examples of organizing code in program modules and functions - Sequencing using SELF-HOLD, SET / RESET and MOVE / COMPARE- Complex code examples for a pump station, tank control and conveyor belt- Design, development, testing and simulation of PLC programsThe book describes Ladder programming as described in the standard IEC 61131-3. PLC vendors understand this standard in different ways, and not all vendors follows the standard exactly. This will be clear through material from the vendor. This means that some of the program examples in this book may not work as intended in the PLC type you are using. In addition, there is a difference in how the individual PLC type shows graphic symbols and instructions used in Ladder programming.Note: This is a book for beginners and therefore advanced techniques such as ARRAY, LOOPS, STRUCT, ENUM, STRING, PID and FIFO are not included.

This book gives an introduction to the programming language Structured Text (ST) which is used in Programmable Logic Controllers (PLC).The book can be used for all types of PLC brands including Siemens Structured Control Language (SCL) and Programmable Automation Controllers (PAC).This 3rd edition has been updated and expanded with many of the suggestions and questions that readers and students have come up with, including the desire for many more illustrations and program examples.CONTENTS:- Background, benefits and challenges of ST programming- Syntax, data types, best practice and basic ST programming- IF-THEN-ELSE, CASE, FOR, CTU, TON, STRUCT, ENUM, ARRAY, STRING- Guide for best practice naming, troubleshooting, test and program structure- Sequencer and code split-up into functions and function blocks- FIFO, RND, sorting, scaling, toggle, simulation signals and digital filter- Tank controls, conveyor belts, adaptive pump algorithm and robot control- PLC program structure for pumping stations, 3D car park and car wash - Examples: From Ladder Diagram to ST programmingThe book contains more than 150 PLC code examples with a focus on learning how to write robust, readable, and structured code.The book systematically describes basic programming, including advice and practical examples based on the author´s extensive industrial experience.The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years´ experience in specification, development, programming and supplying complex control solutions and supervision systems. The author is Assistant Professor and teaches PLC programming at Dania Academy, a higher education institution in Randers, Denmark.